Toothbrush



FIG. 1 is a front perspective view of a toothbrush showing my new design, the rear being identical;

FIG. 2 is a side elevational view thereof, the opposite side being identical;

FIG. 3 is a top plan view thereof;

FIG. 4 is a cross-sectional view taken along lines 4--4 of FIG. 2.

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a front elevational view of a second embodiment of my new design, the second embodiment differing from the first only in the configuration of the bristles;

FIG. 7 is a front elevational view of a third embodiment of my new design, the third embodiment differing from the first embodiment only in the configuration of the bristles. 

The ornamental design for a toothbrush, as shown and described. 